Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Installation
CAUTION: The upper suspension arm and bushing nuts must be tightened
with the
suspension at curb height. Failure to do so can result in bushing failure,
resulting in poor ride
and handling.
NOTE: If installing a new upper suspension arm and bushing, mark the ...
Symptom Chart
NOTE: New speed control diagnostic software is available in Version 12
or higher for the diagnostic
tool. When using this software, it is necessary to use Next Generation Speed
Control Adapter 007-
00586 with the diagnostic tool.
NOTE: Refer to the Wiring Di ...
Reservoir
Removal
1. Remove the LF wheel and tire. Refer to Section.
2. Position the front portion of the LF inner splash shield aside.
3. WARNING: Windshield washer solution contains methanol, which is
poisonous.
Observe all cautions and warnings indicate ...
